NEET UG · Chemistry · Surface Chemistry

Coagulation and the Hardy-Schulze Rule

NEET asked Coagulation and the Hardy-Schulze Rule twice, in 2018 and 2022: 2 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to Surface Chemistry and Colloids, in Surface Chemistry (Chemistry). The longest wait between two papers asking it was 4 years.

Updated 2026-10-08

Times asked: 2; in 2017–2026
Papers: 2; of 10
First asked: 2018; last in 2022
Chance next paper: 4%; calibrated historical rate

Questions on this idea, by paper

2017–2026. 2018 and 2022.

How NEET framed it

One-line MCQ is the usual form. Skill tested: concept.

Property determining coagulating power
Statement i/ii on coagulation of sols

Chance asked next paper 4%

Every question

All 2 questions

From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.

2022 Q 59 Given below are two statements : Statement I : In the coagulation of a negative sol, the flocculating power of the three given ions is in\dots Two statements \cdot Medium 2018 Q 75 On which of the following properties does the coagulating power of an ion depend ? One-line MCQ \cdot Easy

Papers: NEET 2018, NEET 2022.

Same topic

Other ideas in Surface Chemistry and Colloids

Surface Chemistry and Colloids has 6 ideas NEET has asked; 2 of them came up in more than one question.

Homogeneous and Heterogeneous Catalysis2× · 2023
Types of Colloidsonce · 2023
Optical and Kinetic Properties of Colloidsonce · 2021
Electrical Double Layer and Zeta Potentialonce · 2020
Charge on Solsonce · 2019

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